Made from high-bulk, low weight Polartec Thermal Pro fleece, the Men's Activity Polartec Jacket InterActive from Berghaus will trap your body heat to keep you snug and warm, while its breathability stops you feeling stifled inside._In colder, wetter weather you can use the InterActive IA zip to attach it securely inside a compatible Berghaus rain shell for total layered protection._Made with recycled plastic bottlesTraps body heatHigh-bulk. low weightBreathable_